<template>
	<div>
		<div class="search">
			<input class="search-input" type="text" placeholder="输入城市名或拼音" v-model="keyword">
		</div>

		<div class="search-content" ref="search" v-show="keyword ">
			<ul>
				<li 
				class="search-item border-bottom" 
				v-for="item in list" 
				:key="item.id"
				@click="handleCityClick(item.name)"
				>
					{{item.name}}
				</li>
				<li class="search-item border-bottom" v-show="!list.length">
					没有找到匹配数据
				</li>
			</ul>
		</div>
	</div>
</template>

<script>
import Bscroll from 'better-scroll'
import {mapState,mapMutations} from 'vuex'
	export default{
		props:{
			cities:Object
		},
		data(){
			return{
				keyword:"",
				list:[],
				timer:null
			}
		},
		watch:{
			keyword(){
				if(this.timer){
					clearTimeout(this.timer)
				}
				if(!this.keyword){
					this.list=[]
					return
				}
				this.timer=setTimeout(()=>{
					const result=[]
					for(let i in this.cities){
						this.cities[i].forEach((v)=>{
							if(v.spell.indexOf(this.keyword)>-1||v.name.indexOf(this.keyword)>-1){
								result.push(v)
							}
						})
					}

					this.list=result
				},100)
			}
		},
		mounted(){
			this.scroll=new Bscroll(this.$refs.search)
		},
		methods:{
			handleCityClick(city){	
				this.changeCity(city )
				this.$router.push("/")
			},
			...mapMutations(['changeCity'])
		}
	}
</script>

<style lang="stylus" scoped="">
@import "~styles/varibles.styl"
	.search
		height:.72rem
		background:$bgColor
		padding:0 .1rem
		.search-input
			width:100%
			height:.62rem
			line-height:.62rem
			text-align:center
			border-radius:.06rem
			color:#666
			box-sizing:border-box
			padding:0 .1rem
	.search-content
		z-index:1
		overflow:hidden
		position:absolute
		top:1.58rem
		left:0
		right:0
		bottom:0
		background:#eee
		.search-item
			line-height:.62rem
			padding-left:.2rem
			color:#666
			background:#fff
			
</style>